import { login, logout, getInfo } from '@/api/user'
import { getToken, setToken, removeToken } from '@/utils/auth'
import { resetRouter } from '@/router'
import { allAsyncRoutes, anyRoutes, constantRoutes } from "@/router/routes"
import { cloneDeep } from "lodash";
import router from "@/router"

// 获取异步路由
function getAsyncRoutes(allAsyncRoutes, routeNames) {
  return allAsyncRoutes.filter(route => {
    // 如果有子路由, 先对子路由进行过滤处理
    if (route.children && route.children.length > 0) {
      // 递归调用得到有权限的子路由的数组, 并赋给children
      route.children = getAsyncRoutes(route.children, routeNames)
    }
    // 如果当前路由的标识在路由权限数组中, 当前路由就是当前用户的权限路由
    return routeNames.includes(route.name)
  })
}
const getDefaultState = () => {
  return {
    token: getToken(),
    name: '',
    avatar: '',
    roles: [],
    buttons: [],
    routes: []
  }
}

const state = getDefaultState()
const mutations = {
  RESET_STATE: (state) => {
    Object.assign(state, getDefaultState())
  },
  SET_TOKEN: (state, token) => {
    state.token = token
  },
  SET_NAME: (state, name) => {
    state.name = name
  },
  SET_AVATAR: (state, avatar) => {
    state.avatar = avatar
  },
  SET_USER: (state, { roles, buttons, routes }) => {
    state.roles = roles
    state.buttons = buttons
    state.routes = routes
  }
}

const actions = {
  // user login
  login({ commit }, userInfo) {
    const { username, password } = userInfo
    return new Promise((resolve, reject) => {
      login({ username: username.trim(), password: password }).then(response => {
        const { data } = response
        commit('SET_TOKEN', data.token)
        setToken(data.token)
        resolve()
      }).catch(error => {
        reject(error)
      })
    })
  },

  // get user info
  getInfo({ commit }) {
    return new Promise((resolve, reject) => {
      getInfo().then(response => {
        const { data } = response
        const filterRoutes = getAsyncRoutes(cloneDeep(allAsyncRoutes), data.routes)
        router.addRoutes(filterRoutes)
        // if (!data) {
        //   return reject('Verification failed, please Login again.')
        // }
        const { name, avatar, roles, buttons, routes } = data
        commit('SET_NAME', name)
        commit('SET_AVATAR', avatar)
        commit('SET_USER', {
          roles, buttons, routes: [...constantRoutes, ...filterRoutes]
        })
        resolve(data)
      }).catch(error => {
        reject(error)
      })
    })
  },

  // user logout
  logout({ commit, state }) {
    return new Promise((resolve, reject) => {
      logout(state.token).then(() => {
        removeToken() // must remove  token  first
        resetRouter()
        commit('RESET_STATE')
        resolve()
      }).catch(error => {
        reject(error)
      })
    })
  },

  // remove token
  resetToken({ commit }) {
    return new Promise(resolve => {
      removeToken() // must remove  token  first
      commit('RESET_STATE')
      resolve()
    })
  }
}
// 添加映射信息
// console.log(filterRoutes)
// router.addRoutes([...allAsyncRoutes, anyRoutes])



// router.addRoutes(anyRoutes)

export default {
  namespaced: true,
  state,
  mutations,
  actions
}

